Security Engineer

Telos Corporation is hiring a Security Engineer to design, integrate, maintain, and improve enterprise security technologies and technical controls. The role focuses on security platform engineering, automation, vulnerability remediation, system hardening, architecture support, and technical troubleshooting.

Responsibilities

Engineer, configure, maintain, integrate, and improve enterprise security technologies, including SIEM, EDR, vulnerability management, network security, identity and privileged access management, data security, threat intelligence, and security monitoring platforms

Support the full lifecycle of security technologies, including evaluation, design, implementation, configuration, integration, upgrades, health monitoring, troubleshooting, and retirement

Develop and maintain integrations between security platforms, enterprise systems, cloud services, and operational workflows using APIs, scripting, and other automation methods

Onboard and maintain security-relevant data sources, validate data quality and coverage, and troubleshoot logging, parsing, collection, and ingestion issues

Develop automation that reduces manual effort, improves consistency, accelerates response, and provides measurable operational benefits

Support enterprise vulnerability management by identifying technical risks, assisting system owners with remediation, validating corrective actions, and recommending compensating controls when remediation cannot be completed promptly

Develop and implement secure configuration standards, technical security baselines, reference architectures, and reusable engineering patterns

Participate in security architecture and technical design reviews for enterprise systems, applications, cloud services, and infrastructure changes

Evaluate proposed technologies and system changes to identify security requirements, integration dependencies, technical risks, and operational support requirements

Provide advanced technical escalation and troubleshooting support to the Security Operations Center, Information Technology, application teams, and program personnel

Assist with cybersecurity investigations by collecting and analyzing relevant endpoint, network, identity, application, cloud, and security-platform data

Identify gaps in security visibility, platform coverage, system configuration, integration, and technical control effectiveness, and develop practical corrective actions

Plan, test, document, and implement security-related changes in accordance with established change-management requirements, including validation and rollback procedures

Monitor the operational health, capacity, licensing, support status, and effectiveness of assigned security platforms

Maintain accurate technical documentation, including architecture diagrams, configuration records, integration specifications, runbooks, operating procedures, and troubleshooting guides

Cross-train other team members and develop documentation that reduces reliance on individual personnel for critical security technologies and processes

Coordinate with vendors and service providers to resolve technical issues, evaluate product capabilities, and plan upgrades or improvements

Support information security and enterprise technology projects and perform other duties as assigned

Preferred

• Bachelor's degree in cybersecurity, information technology, computer science, engineering, or a related field preferred
• the equivalent combination of education, professional training, and work experience
• Experience with cloud technologies, particularly Amazon Web Services, is desirable
• Industry certifications such as CompTIA Security+, CySA+, SecurityX, SSCP, CISSP, CCSP, AWS Certified Security - Specialty, or relevant vendor certifications are desirable
• Ability to obtain a U.S. Government security clearance is preferred

Cybersecurity Education

Information Technology Education

Computer Science Education

Engineering Education

Professional Training

Relevant Work Experience

Cloud Technologies

Amazon Web Services (AWS)

CompTIA Security+

CompTIA CySA+

CompTIA SecurityX

SSCP

CISSP

CCSP

AWS Certified Security - Specialty

Vendor Certifications

Benefits

Generous paid time off

Medical benefits

Dental benefits

Vision benefits

Tuition reimbursement

401k

Company

Cybersecurity, cloud, and enterprise security solutions for government and enterprises

Ashburn, Virginia, USA

https://www.telos.com/

Founded in 1971

501-1000 employees

Qualifications

• Three or more years of experience in security engineering, systems administration, network engineering, cloud engineering, security operations, or a closely related technical field
• Hands-on experience implementing, administering, integrating, or supporting enterprise security technologies such as SIEM, EDR, vulnerability management, firewalls, identity security, privileged access management, data security, or threat intelligence platforms
• Experience supporting Windows and Linux operating systems in an enterprise environment
• Understanding of network architecture, common network protocols, authentication, directory services, certificates, encryption, logging, and system-hardening concepts
• Experience using PowerShell, Python, APIs, or similar technologies to automate technical and operational processes
• Ability to analyze complex technical issues, identify root causes, develop corrective actions, and communicate risks clearly
• Understanding of vulnerability management, secure configuration, change management, incident response, and the security technology lifecycle
• Ability to create clear technical documentation, architecture diagrams, implementation plans, operating procedures, and troubleshooting guides
• Effective written and verbal communication skills and the ability to work professionally with technical and non-technical personnel
• Demonstrated organizational skills and the ability to prioritize multiple engineering tasks, operational responsibilities, and project requirements
• Ability to work independently while collaborating effectively with Security Operations, Information Technology, application teams, program personnel, and other stakeholders
• Demonstrated commitment to continuous improvement, knowledge sharing, documentation, automation, and professional development

The successful candidate must meet eligibility requirements to access sensitive information, which requires US citizenship

• Bachelor's degree in cybersecurity, information technology, computer science, engineering, or a related field preferred
• the equivalent combination of education, professional training, and work experience
• Experience with cloud technologies, particularly Amazon Web Services, is desirable
• Industry certifications such as CompTIA Security+, CySA+, SecurityX, SSCP, CISSP, CCSP, AWS Certified Security - Specialty, or relevant vendor certifications are desirable
• Ability to obtain a U.S. Government security clearance is preferred
• Three or more years of experience in security engineering, systems administration, network engineering, cloud engineering, security operations, or a closely related technical field.

Required skills

Security Engineering, Vulnerability Management, Secure Configuration and System Hardening, Incident Response, Windows, Linux, Amazon Web Services (AWS), PowerShell, Python, APIs, Network Architecture and Protocols, DoD 8140 Cyber Workforce Qualifications, CompTIA Security+, CISSP, AWS Certified Security – Specialty

Preferred skills

Written and Verbal Communication

Experience

3+ years